2544041251 has 2 divisors, whose sum is σ = 2544041252. Its totient is φ = 2544041250.

The previous prime is 2544041249. The next prime is 2544041303. The reversal of 2544041251 is 1521404452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2544041251 - 2¹ = 2544041249 is a prime.

Together with 2544041249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2544041231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272020625 + 1272020626.

It is an arithmetic number, because the mean of its divisors is an integer number (1272020626).

Almost surely, 2^2544041251 is an apocalyptic number.

2544041251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544041251 is an equidigital number, since it uses as much as digits as its factorization.

2544041251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2544041251 is about 50438.4897771533. The cubic root of 2544041251 is about 1365.1322177785.

The spelling of 2544041251 in words is "two billion, five hundred forty-four million, forty-one thousand, two hundred fifty-one".